Finding the Fourth Proportional to 22,930.56, 31,644.81 and 13,976.01

Step by Step Solution

1. Step 1: Write the proportion equation
   22,930.56 : 31,644.81 = 13,976.01 : x
2. Step 2: Convert to fraction form
   22,930.56/31,644.81 = 13,976.01/x
3. Step 3: Cross multiply
   22,930.56x = 31,644.81 × 13,976.01
4. Step 4: Simplify right side
   22,930.56x = 442,268,181.01
5. Step 5: Solve for x
   x = 442,268,181.01/22,930.56
6. Step 6: Final answer
   x = 19,287.28